Just come back from a long weekend at Perranporth: No camping on airfield but Blue Hills campsite just over the fence: Owner of camp site came and picked us up: Sea fog kept us there an extra day but plenty of (quite hard) coastal path walks plus the delightful village of St Agnes half an hour over the clifftop path with welcoming pub with great food as a goal at the end of the path.
Perranporth itself not much to write home about though.